#377B18#377B18

#377B18 is a mid, vivid green. Relative luminance 0.150; OKLCH L 51.9% C 0.147 H 138.1°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#377B18
RGB	rgb(55, 123, 24)
HSL	hsl(101, 67%, 29%)
HSV	hsv(101, 80%, 48%)
CMYK	cmyk(55.3%, 0%, 80.5%, 51.8%)
CIE-LAB	lab(45.69, -39.53, 43.99)
CIE-LCH	lch(45.69, 59.14, 131.94°)
OKLab	oklab(51.88% -0.1093 0.098)
OKLCH	oklch(51.88% 0.147 138.1)
XYZ	xyz(8.8231, 15.0434, 3.3027)
Luminance	0.1504 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377B18 #5C187B

analogous

#697B18 #377B18 #187B2B

triadic

#377B18 #18377B #7B1837

tetradic

#377B18 #18697B #5C187B #7B2B18

square

#377B18 #18697B #5C187B #7B2B18

split-complementary

#377B18 #2B187B #7B1869

monochromatic

#0B1A05 #20480E #377B18 #4EAE22 #68D836

Accessibility & contrast

On white

5.24

#377B18 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#377B18 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377B18

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377B18	#FFFFFF	#000000	##FFFFFF
##377B18	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7000

Deuteranopia (green-blind)

#766A23

Tritanopia (blue-blind)

#317669

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #377b18;
/* rgb */ color: rgb(55, 123, 24);
/* oklch */ color: oklch(51.9% 0.147 138.1);

Tailwind

colors: {
  custom: {
    50: '#76a25e',
    500: '#377b18',
    950: '#000000',
  },
}

SCSS

$custom: #377b18;
$custom-light: #76a25e;
$custom-dark: #000000;

JSON

{
  "hex": "#377b18",
  "rgb": {
    "r": 55,
    "g": 123,
    "b": 24
  },
  "hsl": {
    "h": 101.212,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.51875,
    "c": 0.14684,
    "h": 138.1
  },
  "luminance": 0.15044
}

Semantic roles & 50–950 ramp

primary

#377B18

secondary

#8C3FB0

accent

#3EEAB4

background

#F7FAF5

surface

#EDF3E9

border

#C8CDC5

text

#090F05

muted

#7B7F79

Preview Lab

Preview with #377B18

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →